fastjson
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JSONObject.parseObject 解析字符串时,遇到 [null] 时堆内存溢出
属性类: ` public class Field {
private String id;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
} `
转换测试类
` public class Test {
class HeapSpace{
private List<Field> reportOwner;
public List<Field> getReportOwner() {
return reportOwner;
}
public void setReportOwner(List<Field> reportOwner) {
this.reportOwner = reportOwner;
}
}
public static void main(String[] args) {
String parseString = "{\"reportOwner\":[null]}";
HeapSpace heapSpace = JSONObject.parseObject(parseString, HeapSpace.class);
String aa = "";
}
} `
执行后内存一直飙升,直到堆内存溢出,生产环境报错 Handler dispatch failed; nested exception is java.lang.OutOfMemoryError: Java heap space
HeapSpace作为一个内部类,如果没有static,无法访问。 加上static后,解析正常。